Zeng W, Shepard DS, Chilingerian J, Avila C.. "How much could we gain from improved efficiency? An examination of performance of national HIV/AIDS programs and its determinants in developing countries." BMC Health Services Research 12. (2012): 74.

Dr. Zeng, a health economist and epidemiologist, is an Assistant Research Professor at the Schneider Institutes for Health Policy at the Heller School. He has more than 10 years of experience of conducing studies in health care systems, health financing, and cost-effectiveness analysis in health in both developed and developing countries. Many of his research studies have concerned comparative evaluation of policies, programs, and interventions in improving access and utilization of health services, and health outcomes, as well as associated resources.

His another research interest focuses on examining fund flow in the health care system to identify efficiency gaps to promote the efficiency of programs. He has worked on Public Expenditure Tracking Survey and National Health Accounts in Afghanistan. Previously he worked closely with UNAIDS to evaluated the performance of national HIV/AIDS program in reaching target population.

Dr. Zeng has conduct research in Afghanistan, China, Haiti, the Republic of Congo, Rwanda, Ethiopia, Singapore, the United States, and Uzbekistan. His research has received support from the World Bank, USAID, UNAIDS, the Gates Foundation, the Centers for Medicare & Medicaid Services, and the Robert Wood Johnson Foundation.

Dr. Zeng received his MD degree from Fujian Medical University (China), and has a PhD degree from Brandeis University.